97979-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97979-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,7 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97979-89:
(7*9)+(6*7)+(5*9)+(4*7)+(3*9)+(2*8)+(1*9)=230
230 % 10 = 0
So 97979-89-0 is a valid CAS Registry Number.